Hyundai Accent: Heated Oxygen Sensor (HO2S). Description and Operation

Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Manifold Catalytic Converter. The sensor output voltage varies in accordance with the air/fuel ratio.

The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.

Installation

• Install the component with the specified torques. • ...

Heated Oxygen Sensor (HO2S). Specifications

Specification HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.4 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2 ...

See also:

Airbag Module Disposal. Description and Operation
Airbag Disposal Special tool required Deployment tool 0957A-34100A Before scrapping any airbags or side airbags (including those in a whole vehicle to be scrapped), the airbag ...

Opening the hood
1.Pull the release lever to unlatch the hood. The hood should pop open slightly. WARNING Open the hood after turning off the engine on a flat surface, shifting the shift lever to the P(Park) po ...

Muffler. Components and Components Location
Components 1. Front muffler 2. Catalytic converter & center muffler assembly 3. Main muffler 4. Gasket 5. Hanger ...